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Minerals - Fergusonite-(Y) | TerraCollect
Mineral - Fergusonite-(Y)
Fergusonite-(Y)
YNbOâ‚„
Chemical Properties
Mineral Class
Oxides and Hydrxides
Toxicity
radioactive
Formula
YNbOâ‚„
Unit Cell
Physical Properties
Hardness
5.5 - 6.5
Streak
brown
Density
Optical Properties
Color
brown
gray
yellow
Birefringence
Luster
Vitreous,
Metallic
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
tetragonal
Cleavage
Fracture
Tenacity
Point Group
Space Group
Habit
dipyramidal,
massive,
acicular,
prismatic
Formation
Mgmatisch, Pegmatite
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Fergusonite-(Y)
